The Great Pyramid of Cholula in Puebla, Mexico, is not as tall as some of the famous Egyptian pyramids, but its surface is so wide that it is the biggest in the world! This magnificent pyramid offers many insights into the lives, social and religious practices of the ancient peoples that lived in this area, yet for centuries it remained completely hidden by vegetation. In fact, for years people mistook this impressive archeological site for a hill and they even built a Catholic church on top of the hidden temple.

Click play to uncover the many secrets of the Great Pyramid of Cholula, the world's largest pyramid!